Spectra-Physics, Inc.
310Patents
0Active
310Granted
44Portfolio score
Filing activity: Feb 10, 1975 → Jan 12, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4766299A | Hand-mounted bar code reader | Physics | 219 | Expired |
| US4478095A | Autosampler mechanism | Emerging Cross-Sectional Technologies | 163 | Expired |
| US5128520A | Scanner with coupon validation | Physics | 153 | Expired |
| US4949742A | Temperature operated gas valve | Emerging Cross-Sectional Technologies | 138 | Expired |
| US4939355A | Automatic package label scanner | Physics | 126 | Expired |
| US4000397A | Signal processor method and apparatus | Electricity | 113 | Expired |
| US4709195A | Bar code scanner with DC brushless motor | Physics | 104 | Expired |
| US5121443A | Neural net system for analyzing chromatographic peaks | Physics | 100 | Expired |
| US4646308A | Synchronously pumped dye laser using ultrashort pump pulses | Electricity | 99 | Expired |
| US4861973A | Optical scan pattern generating arrangement for a laser scanner | Physics | 99 | Expired |
| US4062634A | System for controlling attitude of laser beam plane | Physics | 97 | Expired |
| US5137354A | Computer aided three dimensional positioning sensing system and method | Physics | 94 | Expired |
| US4749879A | Signal transition detection method and system | Electricity | 93 | Expired |
| US4829529A | Laser diode pumped fiber lasers with pump cavity | Electricity | 92 | Expired |
| US4830489A | Three dimensional laser beam survey system | Physics | 88 | Expired |
| US4895440A | Laser-based measurement system | Physics | 88 | Expired |
| US4221483A | Laser beam level instrument | Physics | 87 | Expired |
| US4387952A | Single axis beam scanner | Physics | 86 | Expired |
| US4915757A | Creation of three dimensional objects | Emerging Cross-Sectional Technologies | 86 | Expired |
| US4656635A | Laser diode pumped solid state laser | Electricity | 85 | Expired |
| US4939356A | Bar code scanner with asterisk scan pattern | Physics | 85 | Expired |
| US5075977A | Automatic plumb and level tool | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5068806A | Method of determining useful life of cartridge for an ink jet printer | Performing Operations; Transporting | 79 | Expired |
| US4665529A | Laser diode pumped solid state laser with miniaturized quick disconnect laser head | Electricity | 78 | Expired |
| US4852265A | Level/plumb indicator with tilt compensation | Emerging Cross-Sectional Technologies | 78 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.